John Deere 8630 Tractor Parts
8630 parts and accessories
The John Deere 8630, manufactured from 1978 to 1981, was a powerful and innovative agricultural tractor. Featuring a robust 270 horsepower diesel engine, this tractor delivered significant PTO horsepower. Its articulated design and advanced features made it a popular choice for farmers tackling demanding tasks in large-scale operations.
The John Deere 8630 was introduced in 1978 as part of the company's line of high-horsepower, four-wheel drive articulated tractors. Production continued until 1981. This model was powered by a John Deere 466 cu in (7.6 L) 6-cylinder turbocharged diesel engine producing approximately 270 horsepower. It had a powershift transmission offering 8 forward and 4 reverse speeds. The PTO horsepower was rated at around 225 HP, and offered a 1000 RPM PTO speed. The hydraulic system had a capacity of around 30 GPM, supplying power for implement operation, typically with two to three remote valves. The 3-point hitch was a Category III, capable of lifting substantial implements. This tractor was commonly used for row crop farming, tillage operations, and large-scale hay production. It was distinguished by its articulated steering, which provided excellent maneuverability compared to traditional front-wheel assist tractors. The 8630 represented a significant advancement in tractor technology at the time, offering farmers increased power and efficiency.
Specifications
| Engine | John Deere 466 cu in (7.6 L) 270 HP Diesel |
|---|---|
| PTO HP | 225 HP @ 1000 RPM |
| Transmission | Powershift 8 forward/4 reverse |
| Hydraulics | 30 GPM, 2-3 remotes |
| 3-Point Hitch | Category III, 7,900 lbs lift capacity |
| Fuel Capacity | 136 gallons |
| Weight | 24,000 lbs |
| Years Produced | 1978-1981 |
Maintenance Tips
- Engine Oil & Filter: Change engine oil and filter every 250 hours of operation, using a high-quality oil that meets John Deere specifications.
- Hydraulic System: Regularly inspect hydraulic fluid levels and filter condition. Change hydraulic fluid and filter every 500-1000 hours, depending on operating conditions, to prevent contamination and maintain performance.
- Fuel System: Use clean, high-quality diesel fuel. Inspect and replace fuel filters regularly (every 250 hours) to prevent fuel system issues. Drain water from the fuel tank regularly to avoid corrosion and injector problems.
- Seasonal Storage: Before storing the tractor for the off-season, drain and refill the fuel tank with fresh fuel and add a fuel stabilizer. Change engine oil and filter, and grease all lubrication points. Disconnect the battery and store it in a cool, dry place.
History & Background
The John Deere 8630 was introduced in 1978 as a high-horsepower articulated 4WD tractor. It represented a step forward in tractor design, offering farmers enhanced power and maneuverability. Its success helped establish John Deere as a leader in the large agricultural tractor market.
Frequently Asked Questions
What engine is in the John Deere 8630?
The John Deere 8630 is powered by a John Deere 466 cubic inch (7.6L) 6-cylinder turbocharged diesel engine producing approximately 270 horsepower.
What is the PTO horsepower on a 8630?
The John Deere 8630 has a PTO horsepower rating of approximately 225 HP at 1000 RPM.
What oil filter fits the 8630?
The John Deere 8630 typically uses a John Deere oil filter part number AR51715. Common cross-references include Wix 51794, Fram PH3756, and Baldwin B233.
What are common parts needed for the 8630?
Common wear parts for the John Deere 8630 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components (tie rod ends, ball joints), clutch discs and plates, and PTO shaft seals.

AR46231 - Battery Connector Cable
SKU: AR46231
5 in stock

AR21823 - Horn/ Ether Start Aid (12 Volt) Switch
SKU: AR21823
76 in stock

AR102755 - Starter Solenoid
SKU: AR102755
9 in stock

AM3131T - Tachometer Cable
SKU: AM3131T
42 in stock

AD2062R - Light Bulb
SKU: AD2062R
162 in stock

RE50533 - Center Link Body
SKU: RE50533
5 in stock

RE44561 - Center Link End
SKU: RE44561
51 in stock

RE44559 - Center Link End
SKU: RE44559
12 in stock

R80447 - Drawbar Hammerstrap
SKU: R80447
27 in stock

R67121 - Rockshaft Control Valve Housing Gasket
SKU: R67121
59 in stock

R64084 - Handle
SKU: R64084
36 in stock

R62760 - Front Drawbar Pin
SKU: R62760
14 in stock

R54064 - Hammerstrap Pin Retainer
SKU: R54064
79 in stock

R50984 - Drawbar w/ 1.870" Offset
SKU: R50984
14 in stock

R125450 - Top Link Pin
SKU: R125450
124 in stock
N51168 - Snap Ring
SKU: N51168
12 in stock

F2208R - E-STYLE RETAINING RING
SKU: F2208R
102 in stock

D2865R - WASHER
SKU: D2865R
53 in stock

WF2077J - Spin-On (QTY 1) Water Filter
SKU: WF2077J
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WF2077 - Spin-On (QTY 12) Water Filter
SKU: WF2077
18 in stock

RE21748 - Oil (Engine Bypass) Filter
SKU: RE21748
347 in stock

RE12793 - Cab Air Filter
SKU: RE12793
6 in stock

RE11992 - Coolant Filter
SKU: RE11992
501 in stock

LF777J - By-Pass Spin-On (QTY 1) Lube Filter
SKU: LF777J
Out of stock
